Shackle



FIG. 1 is a perspective view of a shackle showing our new design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1 taken along the lines 4—4 of FIG. 2;

FIG. 5 is a right side view of FIG. 1, wherein the left side view is a mirror image;

FIG. 6 is a top view of FIG. 1;

FIG. 7 is a bottom view of FIG. 1;

FIG. 8 is a perspective view of FIG. 1 shown in an alternate environment;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a rear view of FIG. 8;

FIG. 11 is a right side view of FIG. 8, wherein the left side view is a mirror image;

FIG. 12 is a top view of FIG. 8; and,

FIG. 13 is a bottom view of FIG. 8.

The broken lines shown in the drawing disclosure are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a shackle, as shown and described. 